====================================== | [ 6.703098][ T139] softirqs last disabled at (0): 0x0 | [ 6.703100][ T139] Preemption disabled at: | [ 6.703100][ T139] vprintk_emit (kernel/printk/printk.c:2471) | [ 6.703111][ T139] Tainted: [W]=WARN [ 6.703112][ T139] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 6.703113][ T139] Call Trace: [ 6.703115][ T139] [ 6.703116][ T139] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 6.703121][ T139] ? vprintk_emit (kernel/printk/printk.c:2471) [ 6.703123][ T139] __might_resched.cold (kernel/sched/core.c:9234) [ 6.703127][ T139] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 6.703131][ T139] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 6.703135][ T139] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 6.703138][ T139] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 6.703140][ T139] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 6.703145][ T139] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 6.703146][ T139] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 6.703149][ T139] put_chars (drivers/char/virtio_console.c:1176) [ 6.703151][ T139] ? __send_to_port (drivers/char/virtio_console.c:654) [ 6.703153][ T139] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 6.703155][ T139] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 6.703157][ T139] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 6.703161][ T139] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 6.703163][ T139] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 6.703164][ T139] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 6.703165][ T139] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 6.703167][ T139] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 6.703169][ T139] console_emit_next_record (kernel/printk/printk.c:3183) [ 6.703171][ T139] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 6.703173][ T139] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 6.703174][ T139] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 6.703176][ T139] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 6.703177][ T139] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 6.703179][ T139] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 6.703180][ T139] console_flush_one_record (kernel/printk/printk.c:3268) [ 6.703182][ T139] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 6.703185][ T139] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 6.703186][ T139] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 6.703188][ T139] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 6.703189][ T139] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 6.703190][ T139] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 6.703192][ T139] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 6.703193][ T139] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6)) [ 6.703195][ T139] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 6.703196][ T139] ? vprintk_emit (kernel/printk/printk.c:2478) [ 6.703198][ T139] vprintk_emit (kernel/printk/printk.c:2479) [ 6.703200][ T139] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 6.703202][ T139] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 6.703204][ T139] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 6.703206][ T139] dev_vprintk_emit (drivers/base/core.c:5000) [ 6.703210][ T139] ? device_rename.cold (drivers/base/core.c:4612 (discriminator 13)) [ 6.703212][ T139] ? unwind_next_frame (./include/linux/rcupdate.h:882 ./include/linux/rcupdate.h:1216 arch/x86/kernel/unwind_orc.c:495) [ 6.703215][ T139] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 6.703218][ T139] dev_printk_emit (drivers/base/core.c:5011) [ 6.703220][ T139] ? dev_vprintk_emit (drivers/base/core.c:5001) [ 6.703222][ T139] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 6.703223][ T139] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 6.703225][ T139] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 6.703226][ T139] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 6.703228][ T139] __netdev_printk (net/core/dev.c:13140 (discriminator 4)) [ 6.703232][ T139] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 6.703233][ T139] ? netdev_notice (net/core/dev.c:13194) [ 6.703235][ T139] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 6.703236][ T139] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 6.703238][ T139] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 6.703239][ T139] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 6.703240][ T139] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 6.703242][ T139] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 6.703243][ T139] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 6.703247][ T139] ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22)) [ 6.703249][ T139] ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40) [ 6.703251][ T139] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 6.703254][ T139] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 6.703256][ T139] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 6.703258][ T139] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 6.703260][ T139] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 6.703262][ T139] ? __kernel_text_address (kernel/extable.c:79) [ 6.703266][ T139] ? write_profile (profile.c:?) [ 6.703269][ T139] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 6.703272][ T139] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 6.703274][ T139] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 6.703277][ T139] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 6.703278][ T139] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 6.703279][ T139] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 6.703284][ T139] ? kasan_save_stack (mm/kasan/common.c:58) [ 6.703285][ T139] ? kasan_save_stack (mm/kasan/common.c:57) [ 6.703287][ T139] ? kasan_save_track (mm/kasan/common.c:78) [ 6.703288][ T139] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 6.703289][ T139] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 6.703290][ T139] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 6.703292][ T139] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 6.703293][ T139] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 6.703296][ T139] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 6.703297][ T139] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 6.703299][ T139] ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4)) [ 6.703302][ T139] ? ___sys_sendmsg (net/socket.c:2767) [ 6.703304][ T139] ? __sys_sendmsg (net/socket.c:2799) [ 6.703306][ T139] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 6.703309][ T139] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 6.703311][ T139] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 6.703313][ T139] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 6.703314][ T139] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 6.703315][ T139] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 6.703317][ T139] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 6.703320][ T139] ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821) [ 6.703323][ T139] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 6.703325][ T139] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 6.703327][ T139] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 6.703329][ T139] ? nla_get_range_signed (lib/nlattr.c:270) [ 6.703332][ T139] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 6.703334][ T139] rtnl_newlink (net/core/rtnetlink.c:4215) [ 6.703336][ T139] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 6.703338][ T139] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 6.703339][ T139] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 6.703343][ T139] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 6.703345][ T139] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 6.703348][ T139] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 6.703350][ T139] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 6.703351][ T139] ? __kernel_text_address (kernel/extable.c:79) [ 6.703353][ T139] ? write_profile (profile.c:?) [ 6.703355][ T139] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380) [ 6.703357][ T139] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 6.703358][ T139] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 6.703360][ T139] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 6.703363][ T139] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 6.703365][ T139] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 6.703366][ T139] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 6.703368][ T139] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 6.703370][ T139] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 6.703371][ T139] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 6.703373][ T139] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 6.703376][ T139] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 6.703378][ T139] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 6.703380][ T139] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 6.703381][ T139] ? netlink_ack (./include/linux/skbuff.h:2718) [ 6.703383][ T139] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 6.703386][ T139] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 6.703387][ T139] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 6.703389][ T139] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 6.703391][ T139] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 6.703393][ T139] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 6.703394][ T139] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 6.703396][ T139] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 6.703397][ T139] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 6.703399][ T139] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 6.703401][ T139] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 6.703403][ T139] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 6.703405][ T139] ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4)) [ 6.703406][ T139] ? copy_msghdr_from_user (net/socket.c:2650) [ 6.703408][ T139] ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399) [ 6.703410][ T139] ? move_addr_to_kernel (net/socket.c:258) [ 6.703412][ T139] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 6.703415][ T139] ___sys_sendmsg (net/socket.c:2767) [ 6.703417][ T139] ? copy_msghdr_from_user (net/socket.c:2619) [ 6.703422][ T139] __sys_sendmsg (net/socket.c:2799) [ 6.703424][ T139] ? __sys_sendmsg_sock (net/socket.c:2780) [ 6.703426][ T139] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 6.703428][ T139] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 6.703430][ T139] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 6.703432][ T139] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 6.703433][ T139] RIP: 0033:0x7fb48f75a54e [ 6.703435][ T139] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 6.703437][ T139] RSP: 002b:00007fff91d0a120 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 6.703441][ T139] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007fb48f75a54e [ 6.703442][ T139] RDX: 0000000000000000 RSI: 00007fff91d0a1d0 RDI: 0000000000000003 [ 6.703443][ T139] RBP: 00007fff91d0a130 R08: 0000000000000000 R09: 0000000000000000 [ 6.703444][ T139] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a917dbc Finger prints: vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print